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Electrical Cable Trays -- Deflection
2

Electrical Cable Trays -- Deflection

Electrical Cable Trays -- Deflection

(OP)
Is there an industry standard that states what the allowable deflection on a cable tray is supposed to be? I found a product catalog that says a "guideline" is L/200. Is there any standard/code that specifies it?

RE: Electrical Cable Trays -- Deflection

2
I don't believe their is a specification or standard, but deflection of L/200 is typical for cable tray manufacturer's products. In the USA, OSHA acknowledges and accepts the L/200 criteria as good practice for a fully loaded cable tray. See page 4 of OSHA's "Safely Installing, Maintaining and Inspecting Cable Trays":
https://www.osha.gov/dts/shib/shib011609.pdf

www.SlideRuleEra.net idea
www.VacuumTubeEra.net r2d2

RE: Electrical Cable Trays -- Deflection

(OP)
OSHA's good. Thanks.

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